Finding the Third Proportional to 479,520 and 715,996.50

Step by Step Solution

1. Step 1: Write the proportion equation
   479,520 : 715,996.50 = 715,996.50 : x
2. Step 2: Convert to fraction form
   479,520/715,996.50 = 715,996.50/x
3. Step 3: Cross multiply
   479,520x = 715,996.50 × 715,996.50
4. Step 4: Simplify right side
   479,520x = 512,650,988,012.25
5. Step 5: Solve for x
   x = 512,650,988,012.25/479,520
6. Step 6: Final answer
   x = 1,069,091.98